. >>> the fallout from the deadly 2012 attack in benghazi, libya, is seizing the spotlight once again at congressional hearings in washington. the attack on a diplomatic compound you may remember killed a u.s. ambassador and three other americans. they accuse the government of a coverup. dana bash has more. >> reporter: new ammunition for republicans and what they call a white house coverup surrounding the 2012 deadly attack in be benghazi, libya. >> it is disturbing and almost criminal that these documents were held by the obama administration from congress and the public. >> reporter: newly released documents, an e-mail from ben rhodes giving what the gop calls political advice to then u.n. ambassador susesan rice ahead o her press conferences. the e-mail urged rice to underscore that these protests are rooted in an internet video and not a broader failure of policy. >> this is the closest thing to a smoking gun that i've seen. >> republicans call this proof that the white house quashed the real reason for the attack, terrorism, because that would have contradicted the press's tough